Cable-outlet of magneto-electric-ignition machines for internal-combustion engines



J. SCHNEIDER, E. IIIIRLIMANN AND F. BILLON.

CABLE OUTLET 0F MAGNETO ELECTRIC IGNITION MACHINES FOR INTERNAL COMBUSTION ENGINES. APPLICATION IFILEDY AUG.22, 1919.

1,397, 1 4.8. Patented Nov. 15, 1921.

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JACQUES SCHNEIDER, or SOLOTHURN, ERNST HURLIMANN,

FREDERIC BILLoN. 70F soLo'rHURN. SWITZERLAND.

OI ZUCHWIL, AND ASSIGNORS TO THE FIRM SCINTILLA, OF SOLOTHURN, SWITZERLAND.

CABLE-OUTLET OF MAG-NETO-ELEC'IRIC-IGNITION MACHINES FOR INTERNAL-COM- BUSTION ENGINES.

Specification of Letters Patent.

Patented Nov. 15, 1921.

Application filed August 22, 1919. Serial No. 319,235.

Be it known that we. JACQUES SCHNEIDER, a citizen of the Swiss Republic, residing at Solothurn. Switzerland. ERNST H'LRLI- MANN. a citizen of the Swiss Republic, residing at Zuchwil, (,anton Solothurn, Switzerland. and Fmioi'zuio BILLOX, a citizen of the Swiss Republic. residing at Solothu'rn, Switzerland, have invented certain new and useful Improvements in fable-Outlets of Magneto-Electric-Tgnition Machines for In- 'ternal-(ombustion Engines, of which the following is a specification.

In order to provide a manifold guarantee against the continued working of an internal combustion engine. it is usual to provide an apparatus by means of which the interrupter-contactsof the primary circuit of the ignition machine can be bridged, so that the high voltage impulses that are necessary for generating the igniting sparks can no longer occur in the secondary circuit, and therefore no ignition can take place.

Since the primary circuit is connected at one end to the machine casing, only the other end has to be passed out through the insulatform of magneto, with rotating magnet and stationary coil the casing c of which is provided with two symmetrically arran ed insulatin parts 6 through the holes 0 0 which the cab e leads are led to the sparking plugs.

eluding a Between these there is situated the insulated leading-in bush (1 of the short circuiting cable e of the primary circuit winding 7 of the ignition apparatus.

In order to allow of removing the winding independently of the short circuiting cable and without undoing any terminal screw,the electric connection between the short circuiting cable 6 and the winding is effected by means of a spring press contact which is shown in Fig. 2 of the drawings as being constituted by a laminated brush 9, but which might also be constructed in the form of a contact spring or finger or the like.

As shown in Fig. 2. the brush 9 bears upon a metal disk which is electrically connected to the end of the primary winding f and which is mounted on the condenser k.

What we claim is 1. A magneto electric ignition machine inprimary and a secondary Winding, a casing, two symmetrically arranged insulating pieces for the leading out of two high tension leads from said secondary winding and a third insulating bush arranged symmetrically between said first mentioned insulating pieces for the leading out of a cable for short circuiting the primary circuit.

2. A magneto electric ignition machine including a primary and a secondary winding, a casing, two symmetrically arranged insulating pieces forthe leading out of two high tension leads from said secondary winding, a third insulating bush arranged symmetrically between said first mentioned insulating pieces for the leading out of a cable for short circuiting the primary circuit, and a spring press contact connecting said primary winding to said short circuiting cable located in the interior of the machine casing In testimony whereof we have signed our names 'to this specification.

JACQUES SCHNEIDER. ERNST. HURLIMANN.

FREDERIC BILLoN. 

